73888720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48611}}^1$

素因数の和:48643

約数の個数: 40

約数和(自身を含む): 180836640

約数和(自身を除く): 106947920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 48611, 97222, 194444, 243055, 388888, 486110, 777776, 923609, 972220, 1847218, 1944440, 3694436, 3888880, 4618045, 7388872, 9236090, 14777744, 18472180, 36944360, 73888720]

約数ペア:

[(1, 73888720), (2, 36944360), (4, 18472180), (5, 14777744), (8, 9236090), (10, 7388872), (16, 4618045), (19, 3888880), (20, 3694436), (38, 1944440), (40, 1847218), (76, 972220), (80, 923609), (95, 777776), (152, 486110), (190, 388888), (304, 243055), (380, 194444), (760, 97222), (1520, 48611)]